1. El-Kady, M.A. (1977). Performance of Forced-Cooled Oil-Filled Cables, M.Sc. Thesis, Cairo University, Egypt.
2. Numerical Methods for Constrained Optimization,1974
3. The calculation of the temperature rise and load capability of cable systems;Neher;AIEE Transactions,1957
4. Effective thermal resistivity for power cables buried in thermal backfill;Saleeby;IEEE Trans. Power Apparatus & Systems,1979
5. Foundations of Optimization;Wilde,1967